28050651560 has 16 divisors (see below), whose sum is σ = 63113966100. Its totient is φ = 11220260608.

The previous prime is 28050651557. The next prime is 28050651571. The reversal of 28050651560 is 6515605082.

It can be written as a sum of positive squares in 2 ways, for example, as 27561976324 + 488675236 = 166018^2 + 22106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350633105 + ... + 350633184.

Almost surely, 2^28050651560 is an apocalyptic number.

28050651560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28050651560 is an abundant number, since it is smaller than the sum of its proper divisors (35063314540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28050651560 is a wasteful number, since it uses less digits than its factorization.

28050651560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701266300 (or 701266296 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 28050651560 in words is "twenty-eight billion, fifty million, six hundred fifty-one thousand, five hundred sixty".